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  1. raid_chunk = 256k
  2. lvm_pe_start = 256k
  3. lvm_pe_size = 4M
  4. ext3_block_size = 4k
  5. ext3_stride = 64
  6. ext3_stripe_width = 192
  7.  
  8. Iozone: Performance Test of File I/O
  9. Version $Revision: 3.287 $
  10. Compiled for 64 bit mode.
  11. Build: linux
  12.  
  13. Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
  14. Al Slater, Scott Rhine, Mike Wisner, Ken Goss
  15. Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
  16. Randy Dunlap, Mark Montague, Dan Million,
  17. Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy,
  18. Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root.
  19.  
  20. Run began: Fri Dec 19 20:22:16 2008
  21.  
  22. Auto Mode
  23. Excel chart generation enabled
  24. Using maximum file size of 2097152 kilobytes.
  25. Command line used: iozone -aR -g 2G -f /mnt/tmp/iozone.tmp -i 0 -i 1 -i 2 -i 5 -i 8
  26. Output is in Kbytes/sec
  27. Time Resolution = 0.000001 seconds.
  28. Processor cache size set to 1024 Kbytes.
  29. Processor cache line size set to 32 bytes.
  30. File stride size set to 17 * record size.
  31. random random bkwd record stride
  32. KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread
  33. 64 4 201860 1232453 2067979 3363612 2772930 1210227 3057153
  34. 64 8 457452 1210227 2358717 4897948 4018152 1492919 3738358
  35. 64 16 532815 1249666 2467108 4564786 4564786 1562436 3203069
  36. 64 32 491815 1226821 2203800 4274062 4897948 1599680 2467108
  37. 64 64 520419 1304314 1679761 4564786 4274062 1492919 1734015
  38. 128 4 484625 1185654 2286447 3657016 3199360 1332828 1911894
  39. 128 8 511887 1196221 2377579 4267461 4267461 1663139 5122535
  40. 128 16 506097 1306873 2464907 4267461 4717434 1710838 4135958
  41. 128 32 540217 1579934 2326073 4596273 4759253 1684006 3759450
  42. 128 64 561107 1278855 2175277 4407601 5122535 1663139 2621367
  43. 128 128 520321 1373754 2098744 4717434 5074121 1755594 2558895
  44. 256 4 493264 1231629 2097948 3605511 3326279 1327564 1881098
  45. 256 8 489442 1312954 2223962 4132864 3823789 1523457 2205688
  46. 256 16 531080 1532153 2392442 4350555 4572895 1600674 4496299
  47. 256 32 552960 1437779 2325094 4477549 4734192 1778290 3935921
  48. 256 64 557844 1340826 2242541 4404088 5022044 1629830 3285566
  49. 256 128 577962 1420658 2015259 4572895 5242734 1743637 2639446
  50. 256 256 566377 1455317 1729594 4652146 5217259 1619994 2754556
  51. 512 4 495747 1160923 2071249 3393590 3304808 1372364 1940253
  52. 512 8 541773 1299295 2337255 4195896 4271001 1556366 2625909
  53. 512 16 541227 1387437 2370799 4296637 4571003 1625889 2875558
  54. 512 32 552932 1413929 2347475 4420457 4784885 1667552 4375425
  55. 512 64 567545 1402845 2294796 4532414 5019764 1718254 4030519
  56. 512 128 596058 1454140 2438090 4610256 5177083 1789859 3393590
  57. 512 256 582478 1450212 2057359 4571003 5278892 1815584 2584820
  58. 512 512 553502 1402845 2073249 4620174 5227492 1766304 2548017
  59. 1024 4 502993 1253344 2165014 3751699 3335105 1446211 2192645
  60. 1024 8 552634 1418508 2316837 4356809 4282950 1573360 2255990
  61. 1024 16 569563 1396825 2375790 4374559 4488860 1703807 2321847
  62. 1024 32 569487 1454537 2448941 4396951 4741598 1718120 2409105
  63. 1024 64 564770 1636299 2398343 4493556 5018624 1701108 4550690
  64. 1024 128 557150 1418508 2321847 4415030 5144870 1743932 4079544
  65. 1024 256 566408 1683768 2276316 4512441 5219904 1698417 3414650
  66. 1024 512 563288 1653942 2188177 4594502 5303701 1689730 3472628
  67. 1024 1024 560422 1393200 1664841 4507705 5042191 1568189 1706515
  68. 2048 4 495045 1242791 2122121 3723735 3215029 1347270 1917479
  69. 2048 8 533476 1428131 2343259 4321315 4257067 1566989 2559723
  70. 2048 16 537112 1405465 2334979 4265523 4432815 1675821 2333076
  71. 2048 32 583444 1420104 2423245 4387531 4764758 1711208 2408974
  72. 2048 64 558048 1651654 2417789 4365235 5018054 1680082 2491420
  73. 2048 128 601628 1460921 2412357 4432815 5147354 1702391 4633675
  74. 2048 256 569518 1438414 2356760 4310472 5225638 1776319 4196751
  75. 2048 512 553375 1440103 2265394 4293237 5184636 1734007 3407614
  76. 2048 1024 562617 1433135 2013672 4146110 5184636 1731211 3391470
  77. 2048 2048 599528 1467159 1647852 3962502 4911886 1584038 2525110
  78. 4096 4 467634 1439717 2174170 3332786 3255732 1333757 2045026
  79. 4096 8 522775 1389416 2349928 3802702 4240052 1564536 2363506
  80. 4096 16 546715 1415401 2352824 3737349 4357270 1618939 2345757
  81. 4096 32 559790 1423729 2422495 3810292 4664886 1658319 2373301
  82. 4096 64 592086 1421726 2461720 3834958 4791076 1587523 2476625
  83. 4096 128 564499 1665715 2479484 3781775 4988629 1754335 2494606
  84. 4096 256 589182 1470274 2460310 3637640 4875373 1678081 4708354
  85. 4096 512 567858 1689633 2381526 3396704 4785737 1756488 4654774
  86. 4096 1024 557972 1491592 2207129 3261295 4446359 1669763 3433360
  87. 4096 2048 566696 1468640 1976786 2767908 3957760 1757206 3214912
  88. 4096 4096 551789 1433590 1623989 1942148 1996079 1558009 1905105
  89. 8192 4 485857 1289692 2156946 2229587 2643503 1309251 1961194
  90. 8192 8 514730 1408312 2315376 2424342 3212449 1496516 2248702
  91. 8192 16 535358 1440007 2419392 2486987 3376611 1650576 2333301
  92. 8192 32 556065 1447103 2444001 2528346 3471099 1628361 2440876
  93. 8192 64 557012 1460016 2483931 2586004 3636025 1690116 2499107
  94. 8192 128 573065 1694701 2534501 2601472 3583691 1610350 2529277
  95. 8192 256 565473 1684234 2496020 2606603 3642578 1732644 2567262
  96. 8192 512 578088 1506754 2428626 2595576 3422010 1704537 4721167
  97. 8192 1024 559643 1382863 2378526 2598128 3512976 1716373 4702429
  98. 8192 2048 560519 1671128 1944875 2479450 2833604 1668774 3817406
  99. 8192 4096 552729 1453039 1606585 1724989 1816360 1716287 1555034
  100. 8192 8192 499663 1220126 1510331 1517334 1561891 1133655 1530923
  101. 16384 4 426202 1317782 2168025 2165770 2229139 1336907 1918316
  102. 16384 8 519811 1566512 2383460 2382799 2663255 1473913 2241938
  103. 16384 16 537077 1452081 2380735 2395257 2753646 1644171 2331306
  104. 16384 32 550518 1460630 2449734 2454897 2925253 1638409 2452707
  105. 16384 64 542534 1642364 2499453 2509768 2733818 1727149 2526097
  106. 16384 128 551517 1495566 2513623 2510960 3088959 1739654 2593206
  107. 16384 256 580907 1698336 2531495 2561979 3120094 1658816 2607672
  108. 16384 512 561558 1701532 2511694 2533081 2968084 1746729 2575325
  109. 16384 1024 587809 1518165 2541701 2559212 3006784 1771220 4766953
  110. 16384 2048 540975 1700985 2343550 2453758 2684584 1673195 4159319
  111. 16384 4096 553066 1458553 1632376 1669455 1719198 1692189 1768576
  112. 16384 8192 512431 1135881 1486057 1481220 1526495 1218218 1513384
  113. 16384 16384 488082 1110477 1499973 1495012 1536392 1151681 1495989
  114. 32768 64 490202 1459991 2509805 2526274 2789460 1604380 2545457
  115. 32768 128 529071 1468760 2552027 2465590 2839307 1708530 2595449
  116. 32768 256 533663 1409185 2569634 2480363 2893950 1746769 2604549
  117. 32768 512 508897 1360299 2552406 2560585 2849668 1695734 2604746
  118. 32768 1024 530517 1332369 2515040 2559155 2711907 1675598 2496629
  119. 32768 2048 533627 1098046 2406910 2459325 2717323 1739011 4895106
  120. 32768 4096 524312 1292572 1623215 1636922 1697116 1620650 1775953
  121. 32768 8192 487960 1064965 1475509 1472395 1518246 1218140 1484609
  122. 32768 16384 487974 1038538 1481233 1475097 1519001 1230211 1494896
  123. 65536 64 255153 130250 2540348 2508838 2703314 1497451 2504632
  124. 65536 128 255945 128654 2566606 2485922 2758715 1549281 2546986
  125. 65536 256 266627 111581 2579952 2554014 2771427 1339738 2614727
  126. 65536 512 256821 126111 2595175 2514898 2779413 1450521 2579758
  127. 65536 1024 251358 113983 2516072 2548237 2768635 1493765 2630818
  128. 65536 2048 251865 105449 2458200 2466892 2595175 1371503 2520132
  129. 65536 4096 166791 113445 1623146 1599607 1677406 1374583 1779320
  130. 65536 8192 189105 112237 1483622 1465016 1493870 1100670 1500164
  131. 65536 16384 242405 114728 1481543 1465048 1509772 1088764 1500811
  132. 131072 64 57327 55087 2567922 2515436 2635191 88255 2523334
  133. 131072 128 36258 54692 2598669 2544932 2692244 85637 2615794
  134. 131072 256 58230 54384 2627056 2533287 2736372 78271 2616989
  135. 131072 512 51069 54739 2637214 2561103 2711003 83339 2651933
  136. 131072 1024 54670 54456 2633399 2543613 2744952 115257 2656020
  137. 131072 2048 57349 56052 2509993 2472170 2626329 89622 2554214
  138. 131072 4096 61468 54533 1640695 1598123 1653426 91089 1649136
  139. 131072 8192 61491 53679 1481742 1459256 1496802 102966 1482429
  140. 131072 16384 58157 56549 1492896 1463234 1506247 63898 1487411
  141. 262144 64 44440 42173 2636043 2516552 2703935 20040 2567345
  142. 262144 128 46801 40942 2654544 2539464 2675973 30264 2551030
  143. 262144 256 45013 42250 2655242 2642740 2818452 39286 2658529
  144. 262144 512 39523 42871 2658793 2548251 2718153 44054 2687689
  145. 262144 1024 40793 41732 2670118 2551581 2772044 46121 2672318
  146. 262144 2048 45117 42251 2556077 2462165 2617144 53426 2584733
  147. 262144 4096 45639 42066 1646178 1645091 1693456 55975 1649027
  148. 262144 8192 44116 41661 1495155 1479477 1517221 48199 1491385
  149. 262144 16384 45503 41811 1494003 1453632 1516896 51993 1485403
  150. 524288 64 37313 38591 112750 141818 86510 15118 22428
  151. 524288 128 39301 38681 114844 141816 118296 20716 36169
  152. 524288 256 38906 38921 109814 142237 134913 29499 56843
  153. 524288 512 39379 39244 115870 144260 170844 34929 83758
  154. 524288 1024 38947 39062 116802 140358 219159 37469 114746
  155. 524288 2048 38672 38556 112157 141769 280461 40491 132893
  156. 524288 4096 39656 38672 110899 141249 278353 42546 139241
  157. 524288 8192 38975 38425 113678 139339 246909 41499 168267
  158. 524288 16384 39874 38480 115141 143671 408433 39271 176482
  159. 1048576 64 37325 37238 126922 144286 15266 12274 12556
  160. 1048576 128 37073 36967 127336 143179 24861 16434 18703
  161. 1048576 256 36666 36922 128111 143724 35449 24036 28841
  162. 1048576 512 37099 36563 125853 143160 45178 30840 33034
  163. 1048576 1024 36988 36822 124979 143962 68791 33764 50546
  164. 1048576 2048 37387 37288 129004 143138 97497 36271 83230
  165. 1048576 4096 36879 37469 126075 145289 123132 37637 92242
  166. 1048576 8192 37114 37426 124775 140837 144863 37680 102991
  167. 1048576 16384 36945 37444 129234 144902 175071 37536 112646
  168. 2097152 64 35972 36599 134928 144679 10225 10648 12178
  169. 2097152 128 36079 35560 129111 143573 17250 14469 17030
  170. 2097152 256 35966 34902 134044 143594 24431 21075 27582
  171. 2097152 512 35695 34327 134996 143836 31001 28607 30106
  172. 2097152 1024 35860 34105 133836 143500 47715 32169 45716
  173. 2097152 2048 36018 34970 135205 144464 71690 34514 67316
  174. 2097152 4096 35762 34510 130071 143698 93645 35566 83689
  175. 2097152 8192 35857 35182 133758 142537 114941 35701 102776
  176. 2097152 16384 35732 35130 132424 143016 141864 35710 115235
  177.  
  178. iozone test complete.
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